Validity of Methods for Estimating Percent Body Fat in Young Women

Jeffrey R. Stout, Terry J. Housh, Joan M. Eckerson, Glen O. Johnson, Nancy M. Betts

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


This investigation examined the validity of skinfold (Sum7 and Sum3), near-infrared interactance (NIR), and bioelectrical impedance (BIA) estimations of percent body fat (% fat) in 41 nonathletic young women (mean age ± SD = 20.1 ± 2.3 yrs) by comparing the estimates to values obtained from underwater weighing (mean % fat = 18.9 ± 4.4). The statistical analyses included examination of the constant error, standard error of estimate, r, and total error (TE). Results indicated that the Sum7 and Sum 3 (TE = 2.3 and 2.4% fat, respectively) skinfold equations most accurately estimated % fat, and therefore are recommended over the NIR and BIA procedures (TE range = 3.9 to 7.2% fat) for use with nonathletic young women.

Original languageEnglish (US)
Pages (from-to)25-29
Number of pages5
JournalJournal of strength and conditioning research
Issue number1
StatePublished - Feb 1996

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation


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